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* [PATCH] arm: omap: Use resource_size
@ 2009-11-09 17:44 Tobias Klauser
  2009-11-09 21:05 ` Tony Lindgren
  0 siblings, 1 reply; 3+ messages in thread
From: Tobias Klauser @ 2009-11-09 17:44 UTC (permalink / raw)
  To: linux-arm-kernel

Use the resource_size function instead of manually calculating the
resource size. This reduces the chance of introducing off-by-one errors
and actually fixes one in mailbox.c.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
---
 arch/arm/mach-omap2/gpmc.c    |    2 +-
 arch/arm/mach-omap2/mailbox.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 004da69..67af370 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -366,7 +366,7 @@ int gpmc_cs_request(int cs, unsigned long size, unsigned long *base)
 	if (r < 0)
 		goto out;
 
-	gpmc_cs_enable_mem(cs, res->start, res->end - res->start + 1);
+	gpmc_cs_enable_mem(cs, res->start, resource_size(res));
 	*base = res->start;
 	gpmc_cs_set_reserved(cs, 1);
 out:
diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 46e1f2e..5ba3aa6 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -300,7 +300,7 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "invalid mem resource\n");
 		return -ENODEV;
 	}
-	mbox_base = ioremap(res->start, res->end - res->start);
+	mbox_base = ioremap(res->start, resource_size(res));
 	if (!mbox_base)
 		return -ENOMEM;
 
-- 
1.6.3.3

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH] arm: omap: Use resource_size
  2009-11-09 17:44 [PATCH] arm: omap: Use resource_size Tobias Klauser
@ 2009-11-09 21:05 ` Tony Lindgren
  2009-11-09 21:08   ` Tony Lindgren
  0 siblings, 1 reply; 3+ messages in thread
From: Tony Lindgren @ 2009-11-09 21:05 UTC (permalink / raw)
  To: linux-arm-kernel

* Tobias Klauser <tklauser@distanz.ch> [091109 09:44]:
> Use the resource_size function instead of manually calculating the
> resource size. This reduces the chance of introducing off-by-one errors
> and actually fixes one in mailbox.c.
> 
> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

Acked-by: Tony Lindgren <tony@atomide.com>

> ---
>  arch/arm/mach-omap2/gpmc.c    |    2 +-
>  arch/arm/mach-omap2/mailbox.c |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
> index 004da69..67af370 100644
> --- a/arch/arm/mach-omap2/gpmc.c
> +++ b/arch/arm/mach-omap2/gpmc.c
> @@ -366,7 +366,7 @@ int gpmc_cs_request(int cs, unsigned long size, unsigned long *base)
>  	if (r < 0)
>  		goto out;
>  
> -	gpmc_cs_enable_mem(cs, res->start, res->end - res->start + 1);
> +	gpmc_cs_enable_mem(cs, res->start, resource_size(res));
>  	*base = res->start;
>  	gpmc_cs_set_reserved(cs, 1);
>  out:
> diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
> index 46e1f2e..5ba3aa6 100644
> --- a/arch/arm/mach-omap2/mailbox.c
> +++ b/arch/arm/mach-omap2/mailbox.c
> @@ -300,7 +300,7 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
>  		dev_err(&pdev->dev, "invalid mem resource\n");
>  		return -ENODEV;
>  	}
> -	mbox_base = ioremap(res->start, res->end - res->start);
> +	mbox_base = ioremap(res->start, resource_size(res));
>  	if (!mbox_base)
>  		return -ENOMEM;
>  
> -- 
> 1.6.3.3
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH] arm: omap: Use resource_size
  2009-11-09 21:05 ` Tony Lindgren
@ 2009-11-09 21:08   ` Tony Lindgren
  0 siblings, 0 replies; 3+ messages in thread
From: Tony Lindgren @ 2009-11-09 21:08 UTC (permalink / raw)
  To: linux-arm-kernel

* Tony Lindgren <tony@atomide.com> [091109 13:05]:
> * Tobias Klauser <tklauser@distanz.ch> [091109 09:44]:
> > Use the resource_size function instead of manually calculating the
> > resource size. This reduces the chance of introducing off-by-one errors
> > and actually fixes one in mailbox.c.
> > 
> > Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
> 
> Acked-by: Tony Lindgren <tony@atomide.com>

Hmm, sorry though this was part of some larger series.. Added to
my omap-fixes queue.

Regards,

Tony
 
> > ---
> >  arch/arm/mach-omap2/gpmc.c    |    2 +-
> >  arch/arm/mach-omap2/mailbox.c |    2 +-
> >  2 files changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
> > index 004da69..67af370 100644
> > --- a/arch/arm/mach-omap2/gpmc.c
> > +++ b/arch/arm/mach-omap2/gpmc.c
> > @@ -366,7 +366,7 @@ int gpmc_cs_request(int cs, unsigned long size, unsigned long *base)
> >  	if (r < 0)
> >  		goto out;
> >  
> > -	gpmc_cs_enable_mem(cs, res->start, res->end - res->start + 1);
> > +	gpmc_cs_enable_mem(cs, res->start, resource_size(res));
> >  	*base = res->start;
> >  	gpmc_cs_set_reserved(cs, 1);
> >  out:
> > diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
> > index 46e1f2e..5ba3aa6 100644
> > --- a/arch/arm/mach-omap2/mailbox.c
> > +++ b/arch/arm/mach-omap2/mailbox.c
> > @@ -300,7 +300,7 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
> >  		dev_err(&pdev->dev, "invalid mem resource\n");
> >  		return -ENODEV;
> >  	}
> > -	mbox_base = ioremap(res->start, res->end - res->start);
> > +	mbox_base = ioremap(res->start, resource_size(res));
> >  	if (!mbox_base)
> >  		return -ENOMEM;
> >  
> > -- 
> > 1.6.3.3
> > 

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2009-11-09 21:08 UTC | newest]

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2009-11-09 17:44 [PATCH] arm: omap: Use resource_size Tobias Klauser
2009-11-09 21:05 ` Tony Lindgren
2009-11-09 21:08   ` Tony Lindgren

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